<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <span id="num"> {{num}} </span>
        <button @click='num++'>赞 !</button>
        <h2>{{name}},有这么多 {{num}} 人赞 </h2>
    </div>
    <script src="/node_modules/vue/dist/vue.js"></script>
    <script>
        let app = new Vue({
            el: '#app',
            data() {
                return {
                    name: 'zhangsan',
                    num: 100
                }
            },
            methods: {
                show() {
                    return this.name
                },
                add() {
                    thies.num++
                }
            },
            beforeCreate() {
                console.log('beforeCreate===============')
                console.log('数据模型未加载：',this.name,this.num)
                console.log('方法未加载：',this.show())
                console.log('html模版未加载：',document.getElementById('num'))
            },
            created() {
                console.log('created===============')
                console.log('数据模型已加载：',this.name,this.num)
                console.log('方法已加载：',this.show())
                console.log('html模版已加载：',document.getElementById('num'))
                console.log('html模版未渲染：',document.getElementById('num').innerText)

            },
            beforeMount() {
                console.log('beforeMount===============')
                console.log('html模版未渲染：',document.getElementById('num').innerText)

            },
            mounted() {
                console.log('mounted===============')
                console.log('html模版已渲染：',document.getElementById('num').innerText)

            },
            beforeUpdate() {
                console.log('beforeUpdate===============')
                console.log('数据模型已更新：',this.num)
                console.log('html模版未更新：',document.getElementById('num').innerText)

            },
            updated() {
                console.log('updated===============')
                console.log('数据模型已更新：',this.num)
                console.log('html模版已更新：',document.getElementById('num').innerText)
            },
        })
    </script>
</body>

</html>